Client is unable to download packages, and is not registered to a Site Server.
These INFORMATIONAL messages will be in the Symantec Management Agent logs on the client machine:
Client Task Agent has lost registration with Task Server.
Client Task Agent is configured for direct connection with parameters [:0:00000000-0000-0000-0000-000000000000].
Symantec Management Platform 7.x, 8.x
Task Server 7.x, 8.x